Note 13 - Segment and Geographical Information - Summary of Segment Reporting Information, By Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Net Revenue	$ 160,553	$ 110,223	$ 321,695	$ 225,318
Property, plant and equipment, net	39,638		39,638		$ 42,242
INDIA
Net Revenue	27,074	33,382	54,421	66,316
Property, plant and equipment, net	12,121		12,121		13,287
Middle East [Member]
Net Revenue	34,216	29,741	65,334	61,989
Property, plant and equipment, net	5,509		5,509		6,507
MYANMAR
Property, plant and equipment, net	4,803		4,803
Malaysia 1[Member]
Net Revenue	16,117	13,862	33,196	28,352
Property, plant and equipment, net					5,058
ARGENTINA
Net Revenue	10,203	15,675	21,314	32,018
Property, plant and equipment, net	1,401		1,401		1,341
UNITED STATES
Net Revenue	24,437		54,181
Property, plant and equipment, net	4,461		4,461		5,349
AUSTRALIA
Net Revenue	6,599	8,627	13,956	18,435
Property, plant and equipment, net	272		272		345
PHILIPPINES
Net Revenue	20,617		33,426
Property, plant and equipment, net	1,987		1,987		2,835
Rest of World [Member]
Net Revenue	21,290	$ 8,936	45,867	$ 18,208
Property, plant and equipment, net	$ 9,084		$ 9,084		$ 7,520